7
Yes. It can be reduced to 13/20.
It can be reduced to 13/20.
28 over 20 reduced = 7/5
2/13 is in reduced form
13/21 can't be reduced.
20 over 53 can not be reduced because 53 is a prime number
6/13 is in lowest terms and can't be reduced.
13/20
6 over 20 can be reduced by dividing both numbers by 2 and get the answer 3 over 10 which can't be reduced any further.
No.
The fraction 13/40 cannot be reduced any more.
The fraction 22/13 cannot be reduced any more.